Afuture space station in orbit about the earth is being powered by an electromagnetic beam from the earth. the beam has a cross-sectional area of 183 m2 and transmits an average power of 2.06 × 104 w. what are the rms values of the (a) electric and (b) magnetic fields?

4. who was the first one to measure the speed of light and conclude that it is finite? 5. who was the first philosopher who thought the speed of light is finite? 13. what is the speed of light numerically? 14. give an example of something moving faster than light 15. give an example for some particles or waves that

Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix. b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds. c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer. d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.